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Prevent browser from loading a drag-and-dropped file

I'm adding an html5 drag and drop uploader to my page. 10 Answers 10 ...
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Eclipse Kepler for OS X Mavericks request Java SE 6

I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message: ...
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Google Play app description formatting

I've made an Android application that is available on Google Play. Now I want to add some more formatting to my app description (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot...
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Double vs. BigDecimal?

I have to calculate some floating point variables and my colleague suggest me to use BigDecimal instead of double since it will be more precise. But I want to know what it is and how to make most out of BigDecimal ? ...
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Adding a column to a data.frame

...xt, [[.data.frame. Data frames can be indexed in several modes. When [ and [[ are used with a single vector index (x[i] or x[[i]]), they index the data frame as if it were a list. my.dataframe["new.col"] <- a.vector my.dataframe[["new.col"]] <- a.vector The data.frame method for $, ...
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What's the best name for a non-mutating “add” method on an immutable collection?

... Unless I'm missing it, System.Linq.Enumerable (and Linq in general) only uses Concat() for "sequence + sequence", never "item + sequence". The problem that someone "might expect it to add two lists together rather than adding a single value to the other list" was explici...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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Difference between string object and string literal [duplicate]

...stem.out.println(a == b); // true Here, 2 different objects are created and they have different references: String c = new String("abc"); String d = new String("abc"); System.out.println(c == d); // false In general, you should use the string literal notation when possible. It is easier to re...
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jQuery Tips and Tricks

... Creating an HTML Element and keeping a reference var newDiv = $("<div />"); newDiv.attr("id", "myNewDiv").appendTo("body"); /* Now whenever I want to append the new div I created, I can just reference it from the "newDiv" variable */ ...
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Build fat static library (device + simulator) using Xcode and SDK 4+

...theoretically - build a single static library that includes both simulator and iPhone and iPad. 10 Answers ...